Ehehe. Implying we are rats means he's aware we're alive to be little experiments. We are toys. And this is his dollhouse.

[ As someone who enjoys orders, being told what to do, and actually enjoys being someone's puppet, Mizuki actually can't think of a thing he hates more than this. Being used by someone who might just break his evil scale. Mizuki absolutely loathes the pirates who killed his family and he will always hold a grudge to whoever uses that descriptor or title, but he thinks the Captain may have earned his number one spot of vitriol. ]

Have you any headway on plans or theories you've been wanting to try regarding... you know... this. Him.